Finding the Third Proportional to 260,623.69 and 571,069.69

Step by Step Solution

1. Step 1: Write the proportion equation
   260,623.69 : 571,069.69 = 571,069.69 : x
2. Step 2: Convert to fraction form
   260,623.69/571,069.69 = 571,069.69/x
3. Step 3: Cross multiply
   260,623.69x = 571,069.69 × 571,069.69
4. Step 4: Simplify right side
   260,623.69x = 326,120,587,981.35
5. Step 5: Solve for x
   x = 326,120,587,981.35/260,623.69
6. Step 6: Final answer
   x = 1,251,308.32